A wire is connected to two supports (Figure 3) The support on the wall has coordinates A 3.55 ft and A-355 ft. The support on the ground has coordinates zg-1.18 ft and ga 4.30 ft What are the i. j. and k components of the unit vector u that describes the line of action from point A to point B? Express your answers to three significant figures separated by commas. View Available Hint(s) My My My Submit 195] ΑΣΦ 11 vec -8?

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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**Vectors and Directions in Physics**

**Figure Overview:**
In the accompanying diagram, a wire is connected to two supports. This diagram is labeled as "Figure 1 of 3".

- The diagram shows a coordinate system with points labeled A and B.
- Point A is positioned at (3.55 ft, 3.55 ft).
- Point B has coordinates given as (1.16 ft, 4.30 ft).
- Lines represent the wire and its connections to the supports at points A and B, forming triangles and intersecting at various angles.

**Problem Statement:**
A wire is connected to two supports:

- **Support A** is located on the wall at coordinates \(xr_A = 3.55 ft\) and \(yr_A = 3.55 ft\).
- **Support B** is situated on the ground at coordinates \(xr_B = 1.16 ft\) and \(yr_B = 4.30 ft\).

**Question:**
Determine the \(i\), \(j\), and \(k\) components of the unit vector \(\mathbf{u}\) that describes the line of action from the point A to point B.

**Answer Format:**
Express your answers to three significant figures separated by commas.

**Input Area:**
Below the problem text, there is a field to enter the answer, using the following format:
\[ u_x, u_y, u_z \]

For computational assistance, various mathematical tools and symbols are provided.

**Example Entry:**
A typical entry might look like "0.502, 0.672, 0.542".

**Submission:**
Click the "Submit" button to record your answer.


**Additional Resources and Hints:**
- Click on "View Available Hint(s)" to access guidance on solving the problem.

By analyzing the coordinates of the points and using vector relationships, you can determine the direction components of the unit vector.

---

**Graph Explanation:**
The diagram is a graphical representation of the points and vectors involved in the problem. Each vector is shown as a line extending from an origin (point A or point B) and is labeled with the corresponding coordinates. The vectors intersect, showing the line of action between the points.
Transcribed Image Text:**Vectors and Directions in Physics** **Figure Overview:** In the accompanying diagram, a wire is connected to two supports. This diagram is labeled as "Figure 1 of 3". - The diagram shows a coordinate system with points labeled A and B. - Point A is positioned at (3.55 ft, 3.55 ft). - Point B has coordinates given as (1.16 ft, 4.30 ft). - Lines represent the wire and its connections to the supports at points A and B, forming triangles and intersecting at various angles. **Problem Statement:** A wire is connected to two supports: - **Support A** is located on the wall at coordinates \(xr_A = 3.55 ft\) and \(yr_A = 3.55 ft\). - **Support B** is situated on the ground at coordinates \(xr_B = 1.16 ft\) and \(yr_B = 4.30 ft\). **Question:** Determine the \(i\), \(j\), and \(k\) components of the unit vector \(\mathbf{u}\) that describes the line of action from the point A to point B. **Answer Format:** Express your answers to three significant figures separated by commas. **Input Area:** Below the problem text, there is a field to enter the answer, using the following format: \[ u_x, u_y, u_z \] For computational assistance, various mathematical tools and symbols are provided. **Example Entry:** A typical entry might look like "0.502, 0.672, 0.542". **Submission:** Click the "Submit" button to record your answer. **Additional Resources and Hints:** - Click on "View Available Hint(s)" to access guidance on solving the problem. By analyzing the coordinates of the points and using vector relationships, you can determine the direction components of the unit vector. --- **Graph Explanation:** The diagram is a graphical representation of the points and vectors involved in the problem. Each vector is shown as a line extending from an origin (point A or point B) and is labeled with the corresponding coordinates. The vectors intersect, showing the line of action between the points.
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